Yazoo/Kees ZHDD61270 - Manual (Page 49)

47
TROUBLE SHOOTING GUIDE
The engine overheats. • Clogged air intake or cooling fins.
• Engine overloaded.
• Poor ventilation around engine.
• Defective engine speed regulator.
• Soot in the combustion chamber.
• Too little or no oil in the engine.
• Water pump not working.
• Coolant system clogged.
• Coolant level low.
Battery not charging. • Poor contact with battery terminal
cable connectors.
The machine moves slowly, unevenly, • Parking brake on.
or not at all. • Venting valve on pump open.
• Drive belt for the pump slack or
has come off.
• Defective hydraulic system.
• Air in the hydraulic system.
Mower deck not engaging. • Drive belt for the mower deck has come loose.
• Contact for the electric clutch has loosened.
• The control for engaging the mower deck is
faulty or has come loose from the cable contact.
• The fuse has blown.
Uneven mowing results. • Different air pressure in the tires on the left and
right sides.
• Bent blades.
• The chains suspending the mower deck
are uneven.
• The blades are blunt.
• Driving speed too high.
• The grass is too long.
• Grass collected under the mower deck.